Perhaps you should try some spelling variations:
"public administration" » "publica administration" (Expand Search), "publico administration" (Expand Search), "publicas administration" (Expand Search)
"publicoasa administracao" » "publicaoasa administracao" (Expand Search), "publicooasa administracao" (Expand Search), "publicasoasa administracao" (Expand Search), "publicas administracao" (Expand Search), "publicos administracao" (Expand Search)
"publicasasa administration" » "publicaasasa administration" (Expand Search), "publicoasasa administration" (Expand Search), "publicasasasa administration" (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("public administration") OR ((("publicoasa administracao") OR ("publicasasa administration"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"public administration\") OR (((\"publicoasa administracao\") OR (\"publicasasa administration\"))))".
• Removing quotes may allow a broader search: (( public administration ) OR ((( publicoasa administracao ) OR ( publicasasa administration )))).
• Adding a wildcard symbol may retrieve word variants: (("public administration") OR ((("publicoasa administracao") OR ("publicasasa administration"))))*.